<template>
<!-- 商品管理  商品列表 -->
    <div>
        <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/Home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                  <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList()">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
            </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage()">添加商品</el-button>
            </el-col>
        </el-row>
        <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
             <el-table-column type="index"></el-table-column>
             <el-table-column label="商品名称" prop="goods_name"></el-table-column>
             <el-table-column label="商品价格" prop="goods_price" width="95px"></el-table-column>
             <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
             <el-table-column label="创建时间" prop="add_time" width="140px">
                 <template slot-scope="scope">
                      {{scope.row.add_time | dateFormat}}
                 </template>
             </el-table-column>
             <el-table-column label="操作" width="130px">
                 <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeByid(scope.row.goods_id)"></el-button>
                 </template>
             </el-table-column>
        </el-table>
        <!-- 分页区域 -->
         <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background>
    </el-pagination>
    </el-card>
    </div>
</template>
<script>
export default {
   data() {
       return {
        //  查询商品列表参数
          queryInfo: {
            query:'',
            pagenum : 1,
            pagesize :10
          },
        //   商品列表
          goodslist: [],
        //   总数据条数
          total:0
          
        
       }
   },
   created() {
       this.getGoodsList()
   },
   methods: {
    //    根据分页获取对应的商品列表
      async getGoodsList() {
        const {data: res} = await this.$http.get('goods',{ params: this.queryInfo})
        if(res.meta.status !== 200) {
            return this.$message.error('获取商品列表数据失败！')
        }
        this.$message.success('获取商品列表数据成功')
        console.log(res.data);
        // 当数据获取成功  吧商品列表数据赋值保存到goodslist商品列表数组中
        this.goodslist=res.data.goods
        // 当数据获取成功  吧总数据条数赋值保存到 total 中
        this.total=res.data.total
       },
      //  分页每页显示条目个数
       handleSizeChange(newSize) {
             this,this.queryInfo.pagesize=newSize
            //  重新获取商品列表数据
             this.getGoodsList()
       },
      //  分页页码值发生变化
      handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
      },
      // 删除操作
      async removeByid(id) {
          const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmResult !== 'confirm') {
          return this.$message.info('已经取消删除')
        }
        // 如果成功发起删除商品请求操作
        const {data: res}=await this.$http.delete(`goods/${id}`)
        if(res.meta.status !== 200) {
          return this.$message.error('删除商品失败！')
        }
         this.$message.success('删除商品成功')
        //  成功后  重新刷新获取商品列表
        this.getGoodsList()
      },
      // 访问添加商品组件
      goAddpage() {
        this.$router.push('/goods/add')
      }     
   }
}
</script>
<style lang="postcss" scoped>

</style>